A __________ is the information used in conjunction with an algorithm to create the ciphertext from the plaintext or derive the plaintext from the ciphertext.
A) password
B) cipher
C) key
D) passphrase

Question

A __________ is the information used in conjunction with an algorithm to create the ciphertext from the plaintext or derive the plaintext from the ciphertext.
A) password
B) cipher 
C) key
D) passphrase

Quizplus · Accepted Answer

A key is used in conjunction with an algorithm to create the ciphertext from the plaintext or derive the plaintext from the ciphertext. A password or passphrase can be used to generate a key, but the key itself is the actual information used in the encryption process. A cipher refers to the specific encryption algorithm used.

A __________ Is the Information Used in Conjunction with an Algorithm